
.bigbox{
	width:500px;
	height: 800px;
	margin: 0 auto 0 auto;
	text-align: center;
}

.bt{
	width: 200px;
	height: 50px;
	background: rgb(37,41,46);
	color: white;
}

.au{
	margin-left: -105px;
	font-size: 10px;
}
